/*
 * Copyright (c) 2017 Cisco and/or its affiliates.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at:
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package io.fd.hc2vpp.lisp.gpe.translate.service;

import io.fd.honeycomb.translate.read.ReadContext;
import io.fd.honeycomb.translate.write.WriteContext;
import javax.annotation.Nonnull;

/**
 * Provides logic to check whether gpe feature is enabled
 */
public interface GpeStateCheckService {

    /**
     * @throws IllegalStateException if gpe feature is disabled
     */
    void checkGpeEnabledBefore(@Nonnull final WriteContext writeContext);

    /**
     * @throws IllegalStateException if gpe feature is disabled
     */
    void checkGpeEnabledAfter(@Nonnull final WriteContext writeContext);


    /**
     * @return state of gpe feature
     */
    boolean isGpeEnabled(@Nonnull final ReadContext readContext);
}
